If you don't regularly test your garden soil pH, you might experience what's known as nutrient lockout - when vital elements in the soil become inaccessible to your plants that need them. We're talkin all about why you should test your garden soil pH, how to do it, and what you should know. First, a refresher on some science some basics to lay the foundation: What is pH? Technically, pH is the measure of the potential of hydrogen - that is the concentration of hydrogen atoms (H⁺) in a...
